地理空间数据网格中的节点管理

Pengfei Wu, Yu Fang, Bin Chen, Yong Zhao, Menglong Yan, Yixian Sun
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引用次数: 0

摘要

Barn项目是一个地理空间数据网格原型,为全国地质调查数据的应用提供了网格化环境。Barn是基于Globus Toolkit开发的。通过门户网站,用户可以对网格资源进行管理,对空间数据进行浏览、查询和分析。根据地理空间将应用节点组织到应用域中。Barn系统中的节点管理包括资源管理、域管理、索引服务和web门户四个模块。为了解决诸如实现节点自治和避免单点故障等系统需求,我们部署了多个域服务器和多个索引服务器。这将增加系统的可伸缩性和灵活性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The node management in a geospatial data grid
The Barn project, a geospatial data grid prototype, provides a grid environment for applications of the nationwide geological survey data. Barn is developed based on the Globus Toolkit. Through web portal, users can manage the grid resources, perform browsing, querying and analysis against the spatial data. According geospatial application nodes are organized into application domains. The node management in Barn system consists of four modules: resource management, domain management, index service and web portal. Addressing the system requirements such as achieving node autonomy and avoiding a single point of failure, we deploy multiple domain servers and multiple index servers. This will increase scalability and flexibility of the system.
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